{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Gender", "Treatment.Drug", "Subject.Age", "Combination.Drug", "Effect", "Treatment.Time_elapsed", "Subject", "Treatment.Duration", "Treatment.Disorder", "Subject.Population", "Treatment", "Treatment.Freq"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Gender", "Treatment.Duration", "Combination.Drug", "Subject.Race", "Subject.Population", "Effect", "Subject.Disorder", "Subject.Age", "Treatment.Time_elapsed", "Treatment", "Subject", "Treatment.Drug", "Treatment.Freq", "Treatment.Route"]}], "input": "The failure of therapy with disopyramide and mexiletine to reproduce this observation suggests either a previously unreported electrophysiologic effect of, or idiosyncratic response to, procainamide."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "response ", "arguments": {"Subject.Gender": "NAN", "Treatment.Duration": "NAN", "Combination.Drug": "NAN", "Subject.Race": "NAN", "Subject.Population": "NAN", "Effect": "electrophysiologic effect", "Subject.Disorder": "NAN", "Subject.Age": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment": "procainamide", "Subject": "NAN", "Treatment.Drug": "procainamide", "Treatment.Freq": "NAN", "Treatment.Route": "NAN"}}]}